class_docstr: A wrapper around a Strategy Protocol Buffer.
docstr: Strategy's ID.
docstr_tok: ["Strategy","'s","ID","."]
code: def id(self):
      """Strategy's ID."""
      return self._strategy.id
  
imports: import os
  from abc import ABC, abstractmethod
  from datetime import datetime
  from autodist.const import DEFAULT_SERIALIZATION_DIR
  from autodist.graph_item import GraphItem
  from autodist.kernel.common.utils import get_op_name
  from autodist.proto import strategy_pb2
  from autodist.resource_spec import ResourceSpec
label_desc: Use image node_id 2 for calling the Strategy obj's underlying member method code with example usage: obj.id() and returns: self